CAJ | 학술논문

为实现钢丝绳无损检测设备对钢丝绳局部缺陷(LF)和截面损失(LMA)的检测，在基于GMR传感器的基础上设计钢丝绳励磁装置。通过高灵敏度GMR传感器的多层排布方式来减小漏磁信号中的干扰。对励磁方式提出永磁励磁法与直流励磁法相结合的复合励磁法，可很好地调整励磁强度，同时分析了励磁装置中各参数对励磁性能的影响，给出信号检测电路，总体设计可满足钢丝绳无损检测设备对LF和LMA的检测要求。
위실현강사승무손검측설비대강사승국부결함(LF)화절면손실(LMA)적검측，재기우GMR전감기적기출상설계강사승려자장치。통과고령민도GMR전감기적다층배포방식래감소루자신호중적간우。대려자방식제출영자려자법여직류려자법상결합적복합려자법，가흔호지조정려자강도，동시분석료려자장치중각삼수대려자성능적영향，급출신호검측전로，총체설계가만족강사승무손검측설비대LF화LMA적검측요구。
The wire rope excitation equipment that is based on the GMR sensor is designed to solve the detection of localized flaw and loss of metal ic area coming from the wire rope. It can reduce the interference in the magnetic flux leakage by a high sensitivity GMR sensor. We propose a compound excitation method that combines the permanent magnetic excitation and DC excitation method. It can adjust excitation intensity. We analysis the affection of parameters in excitation equipment, and provides signal detection circuit, by which the overall design can satisfy the detection of localized flaw and loss of metal ic area coming from the wire rope.